SergeModular

>
>
> > do the pre-STS (early 80s I guess, not the vey
> first
> > Serge series) serge panels require +12/-12 volts
> plus
> > +6 volts supply?
>
> AFAIK, the modules using +6v were the first
> generation ones
> from around 1973, and they were discontinued around
> 1980.
>
> Modules requiring +6v were:
>
> Peak & Trough
> Gate/Ring (old 6 pot/jack ones, also called MOD)
> Envelope Generator (old one with "window", not ADSR
> or DUSG/DTG)
> Dual Negative Slew
> Dual positive Slew
> Triple Comparator
> Schmitt Trigger (the early single schmitt with just
> in & out)
> Sequencer (the old 10 stage Pulse sequencer)
>
> and possibly early versions of
>
> Programmer (4 stage)
>
>
>
>
> Steve
>
>
>

>
>
> > btw, i have a triple comparator module but its
> > graphics suggest that it must be an early 80's
> model
> > (you know, rectangle thin line around the module
> with
> > small "serge" letters on bottom).
>
> That sounds like it would be from 77-79. All the
> triple
> comparators I've seen used the +6v supply.
>
> Take a look at the component side of the circuit
> board.
> There will be a couple of pairs of wires that carry
> power
> from board to board. One pair of wires will be
> black
> (0v). What colour is the other pair of wires?
>
>
> > i do not think that it needs 6volts... maybe they
> > changed the triple comparator module later too
> (after
> > the end of 70's)?
>
>
> I've only ever seen ones from 1973/75. It's
> possible
> that Serge changed them later, but I've never seen
> one.
>
>
> If you need +6v, Serge just did it by attaching a 6v
> regulator to power supply. Any competent tech
> should
> be able to do that.
>
>
>
> Steve
>
>
>

> > If you need +6v, Serge just did it by attaching a 6v
> > regulator to power supply. Any competent tech
> > should
> > be able to do that.